Udumalaipettai also known as Udumalai, is a town in Tiruppur district in the Indian state of Tamil Nadu. It is located 535 km (332 mi) south west from the state capital, Chennai and 72 km (45 mi) from Coimbatore.It is the headquarters of Udumalaipettai taluk and had a population of 61,133 as per 2011 Census of India. The town comes under the Udumalaipettai Assembly constituency.